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Join us! 40 days, 40 ways to spread kindness this season

Join us! 40 days, 40 ways to spread kindness this season
/ Source: TODAY

Have you done something kind today?

Welcome to The Season of Kindness, 40 days of making the world a better place by celebrating acts of kindness large and small.

It can be as simple as holding open a door, giving a warm smile or a thank-you to someone who serves you at the coffee shop every morning.

The best part about kindness is, it doesn’t have to cost a penny, but it can make a person’s day better in an instant.

“A random act of kindness can be the smallest thing in the world, but it can change everything,” said TODAY's Hoda Kotb.

So what are you waiting for? Join us!

The challenge for day one: Tag the kindest person you know on social media using the hashtag #ShareKindness.

Going forward, visit our daily calendar to learn about other simple, easy-to-do kind acts and mark off the ones you’ve done. Check out new stories and videos from NBC News and NBC Universal that will inspire and move you. And get involved! Make this movement about what you can do, each and every day.

Kindness is contagious, and together we can grow the good this holiday season.

#ShareKindness today.

This story is part of NBCU’s Season of Kindness. Follow the series on Facebook, Twitter and Instagram. #ShareKindness

Get involved! Let us know how you can join the Season of Kindness